iankelling.org Git - automated-distro-installer/blob - wrt-setup-local

   1 #!/bin/bash
   2 # Copyright (C) 2016 Ian Kelling
   3
   4 # This program is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU General Public License
   6 # as published by the Free Software Foundation; either version 2
   7 # of the License, or (at your option) any later version.
   8
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17
  18
  19 set -e; . /usr/local/lib/bash-bear; set +e
  20
  21
  22 usage() {
  23   cat <<EOF
  24 usage: ${0##*/} [-h] [-t 2|3|test|client] [-m WIRELESS_MAC] [hostname]
  25 setup my router in general: dhcp, dns, etc.
  26
  27 Type 2 or 3 is for setting up a backup device, there are two kinds so
  28 that you can switch the main device to a backup, then a backup to the
  29 main. Type test is for setting up a testing device.
  30
  31 Passing an empty string for WIRELESS_MAC, or if none is defined in the
  32 secrets file, will cause the device's native mac to be used.
  33
  34 EOF
  35
  36   exit $1
  37 }
  38
  39
  40
  41 zblock=false
  42 if [[ -e /root/zblock ]]; then
  43   zblock=true
  44 fi
  45
  46 dnsmasq_restart=false
  47 unbound_restart=false
  48 firewall_restart=false
  49 dev2=false
  50 test=false
  51 client=false
  52 ap=false
  53 libremanage_host=wrt2
  54 lanip=1
  55 while getopts hm:t:yz opt; do
  56   case $opt in
  57     h) usage 0 ;;
  58     t)
  59       case $2 in
  60         2|3)
  61           dev2=true
  62           libremanage_host=$hostname
  63           ;;&
  64         2)
  65           lanip=4
  66           hostname=wrt2
  67           ;;
  68         3)
  69           lanip=14
  70           hostname=wrt3
  71           ;;
  72         test)
  73           test=true
  74           ;;
  75         client)
  76           client=true
  77           ;;
  78         ap)
  79           ap=true
  80           lanip=53
  81           hostname=cmcap
  82           ;;
  83         *) echo "$0: unexpected arg to -t: $*" >&2; usage 1 ;;
  84       esac
  85       ;;
  86     y)
  87       zblock=false
  88       rm -f /root/zblock
  89       ;;
  90     z)
  91       zblock=true
  92       touch /root/zblock
  93       ;;
  94     m)  mac=$OPTARG ;;
  95     *) echo "$0: Internal error! unexpected args: $*" >&2 ; usage 1 ;;
  96   esac
  97 done
  98 shift "$((OPTIND-1))"   # Discard the options and sentinel --
  99
 100 if [[ $1 ]]; then
 101   h=$1
 102 elif [[ $hostname ]]; then
 103   h=$hostname
 104 else
 105   h=cmc
 106 fi
 107
 108 if [[ ! $hostname ]]; then
 109   hostname=$h
 110 fi
 111
 112
 113 secrets=false
 114 if [[ -e /root/router-secrets ]]; then
 115   secrets=true
 116   # shellcheck source=/p/router-secrets
 117   source /root/router-secrets
 118 fi
 119
 120 if [[ ! $mac ]] && ! $test && $secrets; then
 121   # if we wanted to increment it
 122   #mac=${mac:0: -1}$((${mac: -1} + 2))
 123   mac=${rwmac[$h]}
 124 fi
 125
 126 if (( $# != 0 )); then
 127   usage 1
 128 fi
 129
 130
 131 macpre=${mac:0: -1}
 132 macsuf=${mac: -1}
 133
 134
 135 p_updated=false
 136 pmirror() {
 137   if $p_updated; then
 138     return
 139   fi
 140   # background: upgrading all packages is not recommended because it
 141   # doesn't go into the firmware. build new firmware if you want
 142   # lots of upgrades. I think /tmp/opkg-lists is a pre openwrt 14 location.
 143   f=(/var/opkg-lists/*)
 144   if ! (( $(date -r ${f[0]} +%s) + 60*60*24 > $(date +%s) )); then
 145     if ! opkg update; then
 146       echo "$0: warning: opkg update failed" >&2
 147     fi
 148     p_updated=true
 149   fi
 150 }
 151
 152 pi() {
 153   to_install=()
 154   for p in "$@"; do
 155     pname=${p##*/}
 156     pname=${pname%%_*}
 157     if [[ ! $(opkg list-installed "$pname") ]]; then
 158       to_install+=($p)
 159       pmirror
 160     fi
 161   done
 162   if (( ${#to_install[@]} >= 1 )); then
 163     opkg install ${to_install[@]}
 164   fi
 165 }
 166
 167 v() {
 168   printf "+ %s\n" "$*"
 169   "$@"
 170 }
 171
 172 ######### uci example:#######
 173 # # https://wiki.openwrt.org/doc/uci
 174 # wan_index=$(uci show firewall | sed -rn 's/firewall\.@zone\[([0-9])+\]\.name=wan/\1/p')
 175 # wan="firewall.@zone[$wan_index]"
 176 # if [[ $(uci get firewall.@forwarding[0].dest) != $forward_dest ]]; then
 177 #     # default is wan
 178 #     v uci set firewall.@forwarding[0].dest=$forward_dest
 179 #     uci commit firewall
 180 #     firewall_restart=true
 181 # fi
 182 ####### end uci example #####
 183
 184 uset() {
 185   printf "+ uset %s\n" "$*"
 186   local key="$1"
 187   local val="$2"
 188   local service="${key%%.*}"
 189   restart_var=${service}_restart
 190   if [[ ! ${!restart_var} ]]; then
 191     eval $restart_var=false
 192   fi
 193   if [[ $(uci get "$key") != "$val" ]]; then
 194     v uci set "$key"="$val"
 195     uci commit $service
 196     eval $restart_var=true
 197   fi
 198 }
 199
 200 udel() {
 201   printf "+ udel %s\n" "$*"
 202   local key="$1"
 203   local val="$2"
 204   local service="${key%%.*}"
 205   restart_var=${service}_restart
 206   if [[ ! ${!restart_var} ]]; then
 207     eval $restart_var=false
 208   fi
 209   if uci get "$key" &>/dev/null; then
 210     v uci set "$key"="$val"
 211     uci commit $service
 212     eval $restart_var=true
 213   fi
 214 }
 215 cedit() {
 216   v command cedit -v "$@"
 217 }
 218
 219
 220 ### network config
 221 ###
 222 lan=10.0.0.0
 223 if $test; then
 224   lan=10.1.0.0
 225 elif [[ $hostname == cmc || $hostname == cmcap ]]; then
 226   lan=10.2.0.0
 227 elif $client; then
 228   lan=10.3.0.0
 229 fi
 230
 231 if $test; then
 232   ssid="gnuv3"
 233 elif $secrets; then
 234   ssid=${rssid[$h]}
 235 fi
 236
 237 : ${ssid:=librecmc}
 238
 239
 240 if $secrets; then
 241   key=${rkey[$h]}
 242 fi
 243 : "${key:=pictionary49}"
 244
 245 mask=255.255.0.0
 246 cidr=16
 247 l=${lan%.0}
 248
 249 # why did we lock this? i don't know
 250 #passwd -l root ||: #already locked fails
 251
 252 sed -ibak '/^root:/d' /etc/shadow
 253 # /root/router created by manually running passwd then copying the resulting
 254 # line. We have no mkpasswd on wrt/librecmc, then we scp it in.
 255 cat /root/router >>/etc/shadow
 256 # otherwise, serial console gets root login with no password
 257 uset system.@system[0].ttylogin 1
 258
 259
 260
 261 cat >/usr/bin/archlike-pxe-mount <<'EOFOUTER'
 262 #!/bin/bash
 263 # symlinks are collapsed for nfs mount points, so use a bind mount.
 264 # tried putting this in /etc/config/fstab,
 265 # then doing block mount, it didn't work. This doesn't persist across reboots,
 266 # todo: figure that out
 267 rm -f /etc/fstab
 268 for d in /run/{arch,parabola}iso/bootmnt; do
 269 cat >>/etc/fstab <<EOF
 270 /mnt/usb/tftpboot $d none bind 0 0
 271 EOF
 272 mount | grep $d &>/dev/null || mount $d
 273 done
 274 /etc/init.d/nfsd restart
 275 EOFOUTER
 276 chmod +x /usr/bin/archlike-pxe-mount
 277
 278 sed -i '/^root:/s,/bin/ash$,/bin/bash,' /etc/passwd
 279
 280
 281
 282 uset dropbear.@dropbear[0].PasswordAuth 0
 283 uset dropbear.@dropbear[0].RootPasswordAuth 0
 284 uset dropbear.@dropbear[0].Port 2220
 285 if ! cmp -s /root/dropbear_rsa_host_key /etc/dropbear/dropbear_rsa_host_key; then
 286   cp /root/dropbear_rsa_host_key /etc/dropbear/dropbear_rsa_host_key
 287   dropbear_restart=true
 288 fi
 289
 290 if $dropbear_restart; then
 291   v /etc/init.d/dropbear restart
 292 fi
 293
 294
 295 uset network.lan.ipaddr $l.$lanip
 296 uset network.lan.netmask $mask
 297 if $dev2  || $client || $ap; then
 298   if $dev2 || $ap; then
 299     uset network.lan.gateway $l.1
 300     uset network.wan.proto none
 301     uset network.wan6.proto none
 302   fi
 303   /etc/init.d/dnsmasq stop
 304   /etc/init.d/dnsmasq disable
 305   /etc/init.d/odhcpd stop
 306   /etc/init.d/odhcpd disable
 307   rm -f /etc/resolv.conf
 308   if $ap; then
 309     cat >/etc/resolv.conf <<EOF
 310 nameserver $l.1
 311 EOF
 312   else
 313     cat >/etc/resolv.conf <<'EOF'
 314 nameserver 8.8.8.8
 315 nameserver 8.8.4.4
 316 EOF
 317   fi
 318
 319   # things i tried to keep dnsmasq running but not enabled except local dns,
 320   # but it didnt work right and i dont need it anyways.
 321   # uset dhcp.wan.ignore $dev2 # default is false
 322   # uset dhcp.lan.ignore $dev2 # default is false
 323   # uset dhcp.@dnsmasq[0].interface lo
 324   # uset dhcp.@dnsmasq[0].localuse 0
 325   # uset dhcp.@dnsmasq[0].resolvfile /etc/dnsmasq.conf
 326   # uset dhcp.@dnsmasq[0].noresolv 1
 327   # todo: populate /etc/resolv.conf with a static value
 328
 329 else
 330   # these are the defaults
 331
 332   # this is not needed unless switching from the above condition.
 333   # disabling just to debug
 334   #uset network.lan.gateway ''
 335
 336   uset network.wan.proto dhcp
 337   uset network.wan6.proto dhcpv6
 338   /etc/init.d/dnsmasq start
 339   # todo: figure out why this returns 1
 340   /etc/init.d/dnsmasq enable ||:
 341   /etc/init.d/odhcpd start
 342   /etc/init.d/odhcpd enable
 343 fi
 344
 345 wireless_restart=false
 346
 347 if $client; then
 348   uset wireless.default_radio0.network 'wwan'
 349   uset wireless.default_radio0.ssid ${rclientssid[$h]}
 350   uset wireless.default_radio0.encryption 'psk2'
 351   uset wireless.default_radio0.device 'radio0'
 352   uset wireless.default_radio0.mode 'sta'
 353   uset wireless.default_radio0.bssid ${rclientbssid[$h]}
 354   # todo: look into whether 5g network is available.
 355   uset wireless.default_radio0.key ${rclientkey[$h]}
 356   uset wireless.radio0.disabled false
 357   uset wireless.radio1.disabled true
 358 else
 359   # defaults, just reseting in case client config ran
 360   uset wireless.default_radio0.network lan
 361   uset wireless.default_radio0.mode ap
 362   for x in 0 1; do
 363     uset wireless.default_radio$x.ssid "$ssid"
 364     uset wireless.default_radio$x.key $key
 365     uset wireless.default_radio$x.encryption psk2
 366     if [[ $mac ]]; then
 367       uset wireless.default_radio$x.macaddr $macpre$((macsuf + 2*x))
 368     fi
 369     # disable/enable. secondary device has wireless disabled
 370     uset wireless.radio$x.disabled $dev2
 371   done
 372 fi
 373
 374 if grep '^OPENWRT_BOARD="mvebu/cortexa9"' /etc/os-release &>/dev/null; then
 375   # todo, I also enabled irqbalance, didnt script it though
 376   # https://forum.openwrt.org/t/wrt1900acs-wifi-issue-after-upgrade-from-19-07-to-21-02-vacuum-cleaner-legacy-rate-support/113311/28
 377   cat >/etc/rc.local <<'EOF'
 378 echo "0" >> /sys/kernel/debug/ieee80211/phy0/mwlwifi/tx_amsdu
 379 echo "0" >> /sys/kernel/debug/ieee80211/phy1/mwlwifi/tx_amsdu
 380 exit 0
 381 EOF
 382   chmod +x /etc/rc.local
 383   /etc/rc.local
 384   uset wireless.radio0.disassoc_low_ack 0
 385   uset wireless.radio1.disassoc_low_ack 0
 386 fi
 387
 388
 389 # found with https://openwrt.org/docs/guide-user/network/wifi/iwchan.
 390 # However, the default also chooses 11, and better to let it choose in case things change.
 391 # case $HOSTNAME in
 392 #   cmc)
 393 #     uset wireless.radio0.channel 11
 394 #     ;;
 395 # esac
 396
 397
 398 # usb, screen, relay are for libremanage
 399 # rsync is for brc
 400 #
 401 # relay package temporarily disabled
 402 # /root/relay_1.0-1_mips_24kc.ipk
 403 #
 404 # note: prometheus-node-exporter-lua-openwrt seems to be a dependency of
 405 # prometheus-node-exporter-lua in practice.
 406
 407 pkgs=(
 408   tcpdump
 409   screen
 410   rsync
 411   kmod-usb-storage
 412   block-mount
 413   kmod-fs-ext4
 414   prometheus-node-exporter-lua-openwrt
 415   prometheus-node-exporter-lua
 416 )
 417
 418 if ! $ap; then
 419   pkgs+=(
 420     unbound-daemon
 421     unbound-checkconf
 422   )
 423 fi
 424
 425 v pi "${pkgs[@]}"
 426 # nfs-kernel-server \
 427   #   openvpn-openssl adblock libusb-compat \
 428   #   kmod-usb-serial-cp210x kmod-usb-serial-ftdi \
 429
 430
 431 cat >/etc/libremanage.conf <<EOF
 432 ${libremanage_host}_type=switch
 433 ${libremanage_host}_channel=1
 434 EOF
 435
 436
 437
 438 v /etc/init.d/fstab enable ||:
 439
 440 # rebooting makes mounting work, but comparing lsmod,
 441 # i'm guessing this will too. todo, test it.
 442 # 255 == module already loaded
 443 for mod in scsi_mod sd_mod; do v modprobe $mod || [[ $? == 255 ]]; done
 444
 445 # for archlike pxe. The default settings in the installer expect to find
 446 # the NFS at one of these dirs
 447 mkdir -p /run/archiso/bootmnt
 448 mkdir -p /run/parabolaiso/bootmnt
 449
 450 # todo: at some later time, i found /mnt/usb not mounted, watch to see if
 451 # that is the case after running this or rebooting.
 452 # wiki says safe to do in case of fstab changes:
 453
 454 ## ian: usb broke on old router. if that happens, can just comment this to disable problems
 455 # echo | cedit /etc/config/fstab ||:
 456 cedit /etc/config/fstab <<EOF || { v block umount; v block mount; }
 457 config global automount
 458       option from_fstab 1
 459       option anon_mount 1
 460
 461 config mount
 462 # /overlay is an / overlay mount for installing extra packages, etc.
 463 # https://openwrt.org/docs/guide-user/additional-software/extroot_configuration
 464       option target     /mnt/usb
 465 #      option target    /overlay
 466       option device     /dev/sda1
 467       option fstype     ext4
 468       option options    rw,async,noatime,nodiratime
 469       option enabled    0
 470 EOF
 471
 472
 473 # ian: disabled because afaik I don't need it, no benefit.
 474 # config global autoswap
 475 #       option from_fstab 1
 476 #       option anon_swap 1
 477
 478 # config swap
 479 #       option device   /dev/sda1
 480 #       option enabled  1
 481
 482
 483
 484
 485 # exportfs -ra wont cut it when its the same path, but now a bind mount
 486 # todo: restart nfs when nfs is enabled?
 487 #cedit /etc/exports <<EOF || v /etc/init.d/nfsd restart ||:
 488 cedit /etc/exports <<EOF ||:
 489 /mnt/usb  $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 490 # for arch pxe
 491 /run/archiso/bootmnt    $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 492 /run/parabolaiso/bootmnt        $lan/$cidr(rw,no_root_squash,insecure,sync,no_subtree_check)
 493 EOF
 494
 495
 496 # todo: enable nfs when we need it only.
 497 # v /etc/init.d/portmap start
 498 # v /etc/init.d/nfsd start
 499 # v /etc/init.d/portmap enable
 500 # v /etc/init.d/nfsd enable
 501
 502
 503 cedit /etc/config/prometheus-node-exporter-lua <<'EOF' || /etc/init.d/prometheus-node-exporter-lua restart
 504 config prometheus-node-exporter-lua 'main'
 505         option listen_ipv6 '0'
 506         option listen_interface 'lan'
 507         option listen_port '9100
 508 EOF
 509
 510 # default, as of this writing is:
 511 # config prometheus-node-exporter-lua 'main'
 512 #       option listen_interface 'loopback'
 513 #       option listen_port '9100'
 514
 515
 516
 517
 518
 519 ########## openvpn exampl
 520 ########## missing firewall settings for routing lan
 521 ########## traffic
 522 # v /etc/init.d/openvpn start
 523 # v /etc/init.d/openvpn enable
 524
 525 # # from https://wiki.openwrt.org/doc/uci/firewall
 526 # # todo: not sure if /etc/init.d/network needs restarting.
 527 # # I did, and I had to restart the vpn afterwards.
 528 # # This maps a uci interface to a real interface which is
 529 # # managed outside of uci.
 530 # cedit /etc/config/network <<'EOF' ||:
 531 # config interface 'tun0'
 532 #         option ifname 'tun0'
 533 #         option proto 'none'
 534 # EOF
 535 # cedit /etc/config/openvpn <<'EOF' || v /etc/init.d/openvpn restart
 536 # config openvpn my_client_config
 537 #         option enabled 1
 538 #         option config /etc/openvpn/client.conf
 539 # EOF
 540
 541
 542 wgport=26000
 543
 544 network_restart=false
 545 if $client; then
 546   cedit wific /etc/config/network <<EOF || network_restart=true
 547 # https://openwrt.org/docs/guide-user/network/wifi/connect_client_wifi
 548 config interface 'wwan'
 549  option proto 'dhcp'
 550 EOF
 551 fi
 552
 553 cedit /etc/config/network <<EOF || network_restart=true
 554 config 'route' 'transmission'
 555  option 'interface' 'lan'
 556  option 'target' '10.174.0.0'
 557  option 'netmask' '255.255.0.0'
 558  option 'gateway' '$l.2'
 559
 560 option interface 'wg0'
 561  option proto 'wireguard'
 562  option private_key '$(cat /root/wg.key)'
 563  option listen_port $wgport
 564  list addresses '10.3.0.1/24'
 565  list addresses 'fdfd::1/64'
 566
 567 # tp
 568 config wireguard_wg0 'wgclient'
 569  option public_key '3q+WJGrm85r59NgeXOIvppxoW4ux/+koSw6Fee1c1TI='
 570  option preshared_key '$(cat /root/wg.psk)'
 571  list allowed_ips '10.3.0.2/24'
 572  list allowed_ips 'fdfd::2/64'
 573 EOF
 574
 575 # Need to reload before we change dnsmasq to give out
 576 # static ips in our new range.
 577 if $network_restart; then
 578   v /etc/init.d/network reload
 579 fi
 580
 581
 582 ### begin firewall edits ###
 583 if $client; then
 584   cedit wific /etc/config/firewall <<EOF || firewall_restart=true
 585 config zone
 586  option name    wwan
 587  option input    REJECT
 588  option output   ACCEPT
 589  option forward  REJECT
 590  option masq     1
 591  option mtu_fix  1
 592  option network  wwan
 593 EOF
 594 fi
 595
 596 case $hostname in
 597   wrt)
 598     cedit host /etc/config/firewall <<EOF || firewall_restart=true
 599 config redirect
 600  option name ssh
 601  option src              wan
 602  option src_dport        22
 603  option dest_ip          $l.3
 604  option dest             lan
 605 EOF
 606     ;;
 607   cmc)
 608     cedit host /etc/config/firewall <<EOF || firewall_restart=true
 609 config redirect
 610  option name ssh
 611  option src              wan
 612  option src_dport        22
 613  option dest_ip          $l.2
 614  option dest             lan
 615 EOF
 616     ;;
 617 esac
 618
 619 {
 620   . /root/cmc-firewall-data
 621   cat <<EOF
 622 ## begin no external dns for ziva
 623 config rule
 624  option src  lan
 625  option src_ip   10.2.0.23
 626  option dest_port 53
 627  option dest  wan
 628  option target REJECT
 629
 630
 631 config rule
 632  option src wan
 633  option dest_ip   10.2.0.23
 634  option src_port 53
 635  option dest  lan
 636  option target REJECT
 637
 638
 639 config rule
 640  option src  lan
 641  option src_ip   10.2.0.31
 642  option dest_port 53
 643  option dest  wan
 644  option target REJECT
 645
 646
 647 config rule
 648  option src wan
 649  option dest_ip   10.2.0.31
 650  option src_port 53
 651  option dest  lan
 652  option target REJECT
 653
 654
 655 config rule
 656  option src  lan
 657  option src_ip   10.2.0.32
 658  option dest_port 53
 659  option dest  wan
 660  option target REJECT
 661
 662
 663 config rule
 664  option src wan
 665  option dest_ip   10.2.0.32
 666  option src_port 53
 667  option dest  lan
 668  option target REJECT
 669 ## end no external dns for ziva
 670
 671
 672 config rule
 673  option src              wan
 674  option target           ACCEPT
 675  option dest_port        22
 676
 677 config redirect
 678  option name promkd
 679  option src              wan
 680  option src_dport        9091
 681  option dest_port        9091
 682  option dest_ip          $l.2
 683  option dest             lan
 684 config rule
 685  option src              wan
 686  option target           ACCEPT
 687  option dest_port        9091
 688
 689 # was working on an openvpn server, didn't finish
 690 # config redirect
 691 #  option name vpnkd
 692 #  option src              wan
 693 #  option src_dport        1196
 694 #  option dest_port        1196
 695 #  option dest_ip          $l.2
 696 #  option dest             lan
 697 # config rule
 698 #  option src              wan
 699 #  option target           ACCEPT
 700 #  option dest_port        1196
 701
 702
 703 config redirect
 704  option name sshkdalt
 705  option src              wan
 706  option src_dport        8989
 707  option dest_port        8989
 708  option dest_ip          $l.2
 709  option dest             lan
 710 config rule
 711  option src              wan
 712  option target           ACCEPT
 713  option dest_port        8989
 714
 715
 716
 717 config redirect
 718  option name icecast
 719  option src              wan
 720  option src_dport        8000
 721  option dest_port        8000
 722  option dest_ip          $l.2
 723  option dest             lan
 724 config rule
 725  option src              wan
 726  option target           ACCEPT
 727  option dest_port        8000
 728
 729 config rule
 730  option name sshcmc
 731  option src              wan
 732  option target           ACCEPT
 733  option dest_port        2220
 734
 735 config rule
 736  option name wg
 737  option src              wan
 738  option target           ACCEPT
 739  option dest_port        $wgport
 740  option proto            udp
 741
 742 config redirect
 743  option name navidromehttps
 744  option src              wan
 745  option src_dport        4500
 746  option dest_port        4500
 747  option dest_ip          $l.2
 748  option dest             lan
 749 config rule
 750  option src              wan
 751  option target           ACCEPT
 752  option dest_port        4500
 753
 754 config redirect
 755  option name navidrome
 756  option src              wan
 757  option src_dport        4533
 758  option dest_port        4533
 759  option dest_ip          $l.2
 760  option dest             lan
 761 config rule
 762  option src              wan
 763  option target           ACCEPT
 764  option dest_port        4533
 765
 766 # So a client can just have b8.nz dns even when they
 767 # are on the lan.
 768 #config redirect
 769 # option name navidromelan
 770 # option src              lan
 771 # option src_dport        4533
 772 # option dest_port        4533
 773 # option dest_ip          $l.2
 774 # option dest             lan
 775
 776
 777 # config redirect
 778 #  option name icecast
 779 #  option src              wan
 780 #  option src_dport        8000
 781 #  option dest_port        8000
 782 #  option dest_ip          $l.2
 783 #  option dest             lan
 784 # config rule
 785 #  option src              wan
 786 #  option target           ACCEPT
 787 #  option dest_port        8000
 788
 789 config redirect
 790  option name http
 791  option src              wan
 792  option src_dport        80
 793  option dest             lan
 794  option dest_ip          $l.9
 795  option proto            tcp
 796 config rule
 797  option src              wan
 798  option target           ACCEPT
 799  option dest_port        80
 800  option proto            tcp
 801
 802 config redirect
 803  option name https
 804  option src              wan
 805  option src_dport        443
 806  option dest             lan
 807  option dest_ip          $l.9
 808  option proto            tcp
 809 config rule
 810  option src              wan
 811  option target           ACCEPT
 812  option dest_port        443
 813  option proto            tcp
 814
 815 # config redirect
 816 # option name httpskd8448
 817 #  option src              wan
 818 #  option src_dport        8448
 819 #  option dest             lan
 820 #  option dest_ip          $l.2
 821 #  option proto            tcp
 822 # config rule
 823 #  option src              wan
 824 #  option target           ACCEPT
 825 #  option dest_port        8448
 826 #  option proto            tcp
 827
 828 config redirect
 829  option name syncthing
 830  option src              wan
 831  option src_dport        22001
 832  option dest_ip          $l.8
 833  option dest             lan
 834 config rule
 835  option src              wan
 836  option target           ACCEPT
 837  option dest_port        22001
 838
 839
 840 #config redirect
 841 # option name i2p
 842 # option src              wan
 843 # option src_dport        $i2pport
 844 # option dest_ip          $l.178
 845 # option dest             lan
 846 #config rule
 847 # option src              wan
 848 # option target           ACCEPT
 849 # option dest_port        $i2pport
 850
 851 config rule
 852  option name ssh-ipv6
 853  option src wan
 854  option dest lan
 855  # note, using mac transform, we could allow all traffic to a host like this,
 856  # replacing 1 as appropriate
 857  #option dest_ip ::111:11ff:fe11:1111/::ffff:ffff:ffff:ffff
 858  option dest_port 22
 859  option target ACCEPT
 860  option family ipv6
 861
 862 # config rule
 863 #  option name http-ipv6
 864 #  option src wan
 865 #  option dest lan
 866 #  option dest_port 80
 867 #  option target ACCEPT
 868 #  option family ipv6
 869
 870 # config rule
 871 #  option name https-ipv6
 872 #  option src wan
 873 #  option dest lan
 874 #  option dest_port 443
 875 #  option target ACCEPT
 876 #  option family ipv6
 877
 878 config rule
 879  option name node-exporter
 880  option src wan
 881  option dest lan
 882  option dest_port 9101
 883  option target ACCEPT
 884  option family ipv6
 885
 886 config rule
 887  option name mail587-ipv6
 888  option src wan
 889  option dest lan
 890  option dest_port 587
 891  option target ACCEPT
 892  option family ipv6
 893
 894 EOF
 895 } | cedit /etc/config/firewall || firewall_restart=true
 896 ### end firewall edits ###
 897
 898
 899 # firewall comment:
 900 # not using and in newer wrt, fails, probably due to nonexistent file, error output
 901 # on:
 902
 903 # Reference error: left-hand side expression is not an array or object
 904 # In [anonymous function](), file /usr/share/ucode/fw4.uc, line 3137, byte 12:
 905 #   called from function [arrow function] (/usr/share/ucode/fw4.uc:733:71)
 906 #   called from function foreach ([C])
 907 #   called from function [anonymous function] (/usr/share/ucode/fw4.uc:733:72)
 908 #   called from function render_ruleset (/usr/share/firewall4/main.uc:56:24)
 909 #   called from anonymous function (/usr/share/firewall4/main.uc:143:29)
 910 #
 911 #  `        if (!inc.enabled) {`
 912 #   Near here -------^
 913 #
 914 #
 915 # The rendered ruleset contains errors, not doing firewall restart.
 916 # /usr/bin/wrt-setup-local:160:error: ""$@"" returned 1
 917
 918 ## include a file with users custom iptables rules
 919 #config include
 920 #       option path /etc/firewall.user
 921 #       option type 'restore'
 922 #       option family 'ipv4'
 923
 924
 925
 926 # not using wireguard for now
 927 # if ! uci get firewall.@zone[1].network | grep wg0 &>/dev/null; then
 928 #   # cant mix cedit plus uci
 929 #   echo | cedit /etc/config/firewall ||:
 930 #   uci add_list firewall.@zone[1].network=wg0
 931 #   uci commit firewall
 932 #   firewall-cedit ||:
 933 #   firewall_restart=true
 934 # fi
 935
 936
 937
 938 cedit /etc/hosts <<EOF ||:
 939 127.0.1.1 $hostname
 940 EOF
 941
 942
 943 #mail_host=$(grep -F mail.iankelling.org /etc/hosts | awk '{print $1}')
 944 # if [[ $mail_host ]]; then
 945 #     sed -i '/^$mail_host/a mail.iankelling.org' /etc/hosts
 946 # fi
 947
 948
 949 uset dhcp.@dnsmasq[0].domain b8.nz
 950 uset system.@system[0].hostname $hostname
 951 uset dhcp.@dnsmasq[0].local
 952
 953 # uci doesnt seem to have a way to set an empty value,
 954 # if you delete it, it goes back to the default. this seems
 955 # to be a decent workaround.
 956 # todo: setup /etc/resolv.conf to point to 127.0.0.1
 957 # later note: disabled, I dunno why I set this.
 958 # uset dhcp.@dnsmasq[0].resolvfile /dev/null
 959
 960 # if dnsmasq happens to not send out a dns server,
 961 # odhcpd will send one out like this:
 962 # NetworkManager[953]: <info>  [1614982580.5192] dhcp6 (wlan0): option dhcp6_name_servers   => 'fd58:5801:8e02::1'
 963 # but i dont want ipv6 dns, just keep it simple to ipv4.
 964 # I know my isp doesnt have ipv6 right now,
 965 # so just stop this thing.
 966 # note: tried this, it didn't do anything:
 967 # uset dhcp.@odhcpd[0].dns 10.2.0.1
 968
 969 # iank, disablde while debugging.
 970 #/etc/init.d/odhcpd stop
 971 #/etc/init.d/odhcpd disable
 972
 973 # todo: make the above conditional on which server this is.
 974
 975 ## left commented in case we have ipv6 problems in the future
 976 # avoid errors in log. current isp doesnt have ipv6
 977 #uset unbound.@unbound[0].protocol ip4_only
 978
 979 # todo: im not sure all these are needed, but they all look
 980 # like good options.
 981 # https://blog.cloudflare.com/dns-over-tls-for-openwrt/
 982 # https://gist.github.com/vqiu/7b32d3a19a7a09d32e108d998de166c2
 983 #https://blog.thestateofme.com/2018/04/04/howto-secure-your-dns-with-a-raspberry-pi-unbound-and-cloudflare-1-1-1-1/
 984 #
 985 # # i found that the zone example was having no effect on the config
 986 # # here:
 987 # https://github.com/openwrt/packages/blob/openwrt-19.07/net/unbound/files/README.md
 988 #
 989 # # todo: unbound-control, i'm not sure what the purpose of that thing is, some
 990 # # kind of coordination with dhcp of dnsmasq, but what?
 991 #
 992 # note: for debugging, edit /etc/init.d/unbound, change
 993 # procd_set_param command $PROG -d -c $UB_TOTAL_CONF
 994 # to:
 995 # procd_set_param command $PROG -vvv -d -c $UB_TOTAL_CONF
 996
 997 if ! $ap; then
 998   {
 999     cat <<'EOF'
1000 do-tcp: yes
1001 prefetch: yes
1002 qname-minimisation: yes
1003 rrset-roundrobin: yes
1004 use-caps-for-id: yes
1005 do-ip6: no
1006 private-domain: b8.nz
1007 local-zone: "10.in-addr.arpa." transparent
1008 access-control-view: 10.2.0.31/32 "youtube"
1009 EOF
1010
1011     if $zblock; then
1012       cat <<'EOF'
1013 # no sy until that dongle is used by ziva
1014
1015 # syw
1016 #access-control-view: 10.2.0.7/32 "youtube"
1017 # bow
1018 access-control-view: 10.2.0.29/32 "youtube"
1019 # samsungtab
1020 access-control-view: 10.2.0.32/32 "youtube"
1021 EOF
1022     fi
1023   } | cedit /etc/unbound/unbound_srv.conf  || unbound_restart=true
1024
1025
1026   # dns based blocking vs ip based. with ip, same
1027   # server can have multiple domains. in dns,
1028   # you have to make sure clients to use the local dns.
1029   # https dns will need to be blocked by ip in
1030   # order to be comprehensive
1031
1032
1033
1034   {
1035     . /root/ptr-data
1036     cat  <<EOF
1037
1038 local-data-ptr: "10.2.0.1 cmc.b8.nz"
1039
1040 local-data-ptr: "10.174.2.2 transmission.b8.nz"
1041 local-data-ptr: "10.173.8.1 defaultnn.b8.nz"
1042 local-data-ptr: "10.173.8.2 nn.b8.nz"
1043
1044 forward-zone:
1045   name: "."
1046 #  forward-addr: 8.8.8.8
1047 #  forward-addr: 8.8.8.8
1048
1049 # ssl disabled due to this error:
1050 #Sat Dec 24 03:34:44 2022 daemon.err unbound: [6568:0] error: ssl handshake failed crypto error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed
1051 #Sat Dec 24 03:34:44 2022 daemon.notice unbound: [6568:0] notice: ssl handshake failed 1.0.0.3 port 853
1052 # on OPENWRT_RELEASE="OpenWrt SNAPSHOT r18639-f5865452ac"
1053 # from about feb 2022
1054
1055 # https://developers.cloudflare.com/1.1.1.1/1.1.1.1-for-families/setup-instructions/dns-over-https
1056 #  forward-addr: 1.1.1.3@853#family.cloudflare-dns.com
1057 #  forward-addr: 1.0.0.3@853#family.cloudflare-dns.com
1058 #  forward-ssl-upstream: yes
1059   forward-first: no
1060   forward-addr: 1.1.1.3
1061   forward-addr: 1.0.0.3
1062
1063 view:
1064   name: "youtube"
1065   local-zone: "googlevideo.com." refuse
1066   local-zone: "video.google.com." refuse
1067   local-zone: "youtu.be." refuse
1068   local-zone: "youtube-nocookie.com." refuse
1069   local-zone: "youtube-ui.l.google.com." refuse
1070   local-zone: "youtube.com." refuse
1071   local-zone: "youtube.googleapis.com." refuse
1072   local-zone: "youtubeeducation.com." refuse
1073   local-zone: "youtubei.googleapis.com." refuse
1074   local-zone: "yt3.ggpht.com." refuse
1075   local-zone: "youtubekids.com." refuse
1076   # try global if no match in view
1077   view-first: yes
1078 EOF
1079   } | cedit /etc/unbound/unbound_ext.conf || unbound_restart=true
1080
1081
1082   if $unbound_restart; then
1083     /etc/init.d/unbound restart
1084     if ! unbound-checkconf; then
1085       echo $0: error: unbound-checkconf failed >&2
1086       exit 1
1087     fi
1088   fi
1089 fi # end if $ap
1090
1091 # # disabled for now. i want to selectively enable it
1092 # # for specific hosts.
1093 # if [[ $(uci get adblock.global.adb_enabled) != 0 ]]; then
1094 #   v uci set adblock.global.adb_enabled=0
1095 #   uci commit adblock
1096 #   /etc/init.d/adblock restart
1097 # fi
1098 # # https://github.com/openwrt/packages/tree/master/net/adblock/files
1099 # cat >/etc/crontabs/root <<'EOF'
1100 # 0 06 * * *    /etc/init.d/adblock reload
1101 # EOF
1102
1103
1104 # useful: http://wiki.openwrt.org/doc/howto/dhcp.dnsmasq
1105
1106 # sometimes /mnt/usb fails, cuz it's just a flash drive,
1107 # so make sure we have this dir or else dnsmasq will fail
1108 # to start.
1109 mkdir -p /mnt/usb/tftpboot
1110
1111 {
1112   # generated with host-info-update
1113   . /root/dnsmasq-data
1114   cat <<EOF
1115 # no dns
1116 port=0
1117 server=/b8.nz/#
1118 ptr-record=1.0.2.10.in-addr.arpa.,cmc.b8.nz
1119
1120
1121 # https://ret2got.wordpress.com/2018/01/19/how-your-ethereum-can-be-stolen-using-dns-rebinding/
1122 stop-dns-rebind
1123 rebind-domain-ok=b8.nz
1124
1125 # This says the ip of dns server.
1126 # It is default if dnsmasq is doing dns, otherwise, we have to specify it.
1127 # To see it in action, I ran this from a client machine:
1128 # sudo dhcpcd -o domain_name_servers -T
1129 dhcp-option=option:dns-server,$l.1
1130
1131 # use this when doing fai to get the right timezone, its nfsroot is
1132 # setup to use this dhcp option only and call ntpdate.
1133 # generate ips with:
1134 # for h in 0.ubuntu.pool.ntp.org 1.ubuntu.pool.ntp.org ntp.ubuntu.com; do host -t a $h | awk '{print $NF}'; done | while read -r l; do printf ,$l; done
1135 dhcp-option=option:ntp-server,188.165.3.28,202.12.97.45,91.236.251.13,50.205.244.23,78.30.254.80,31.131.0.123,202.65.114.202,94.228.220.14,185.125.190.57,185.125.190.58,91.189.91.157,185.125.190.56,91.189.94.4
1136
1137
1138 # results from googling around dnsmasq optimizations
1139 # about 50k in memory. router has 62 megs.
1140 # in a browsing session, I probably won't ever do 5000 lookups
1141 # before the ttl expiration or whatever does expiration.
1142 cache-size=10000
1143
1144 # ask all servers, use the one which responds first.
1145 # http://ma.ttwagner.com/make-dns-fly-with-dnsmasq-all-servers/
1146 all-servers
1147
1148 # namebench benchmarks dns servers. google's dns was only
1149 # slightly less fast than some others, and I trust it more
1150 # to give accurate results, stay relatively fast, and
1151 # not do anythin too malicious, so just use that.
1152 # download namebench and run it like this:
1153 # for x in all regional isp global preferred nearby; do ./namebench.py -s \$x -c US -i firefox -m weighted -J 10 -w; echo \$x; hr;  done
1154 # google
1155 server=1.1.1.3
1156 server=1.0.0.3
1157 server=2606:4700:4700::1113
1158 server=2606:4700:4700::1003
1159
1160 server=10.2.0.1
1161 # server=8.8.4.4
1162 # server=8.8.8.8
1163 # server=2001:4860:4860::8888
1164 # server=2001:4860:4860::8844
1165
1166
1167 # to fixup existin ips, on the client you can do
1168 # sudo dhclient -r; sudo dhclient <interface-name>
1169 # or on cmc,
1170 # /etc/init.d/dnsmasq stop
1171 # vi /tmp/dhcp.leases
1172 # /etc/init.d/dnsmasq start
1173
1174
1175 # default dhcp range is 100-150
1176
1177 # template
1178 # dhcp-host=,$l.,
1179
1180 # pxe tftpboot for arch-like. todo: openwrt snapshot from 2022-01, it cant
1181 # access /mnt/usb/tftpboot due to ujail sandbox
1182 #enable-tftp=br-lan
1183 #tftp-root=/mnt/usb/tftpboot
1184 #tftp-root=/var/run/dnsmasq/tftpboot
1185
1186
1187 dhcp-optsfile=/var/run/dnsmasq/dhcpopts.conf
1188
1189 # for debugging dhcp
1190 #log-queries=extra
1191 EOF
1192 } | cedit /etc/dnsmasq.conf || dnsmasq_restart=true
1193
1194
1195
1196 if $dnsmasq_restart && ! $dev2 && ! $ap; then
1197   # todo: can our ptr records be put in /etc/hosts?
1198   # eg: user normal /etc/hosts records, and they wont be used for A resolution
1199   # due to the other settings, but will be used for ptr? then maybe
1200   # we dont have to restart dnsmasq for a dns update?
1201   #
1202   # interesing link:
1203   # https://www.redpill-linpro.com/techblog/2019/08/27/evaluating-local-dnssec-validators.html#toggling-dnssec-validation-1
1204   # we could turn on dnssec validation when wrt gets dnsmasq > 2.80. currently at 2.80.
1205   # also we can turn off dnssec in systemd-resolved if we know the router is doing it.
1206   #
1207   # Also, reload of dnsmasq seems to break things, wifi
1208   # clients were not getting internet connectivity.
1209
1210   v /etc/init.d/dnsmasq restart
1211 fi
1212
1213 if $ap; then
1214   v /etc/init.d/firewall disable
1215   v /etc/init.d/firewall stop
1216 elif $firewall_restart; then
1217   v /etc/init.d/firewall restart
1218 fi
1219
1220 ## turn off luci
1221 # if already stopped, gives error we want to ignore
1222 /etc/init.d/uhttpd stop |& sed '1{/^Command failed/d}'
1223 /etc/init.d/uhttpd disable |& sed '1{/^Command failed/d}'
1224
1225 # this may just restart the network and take care of the network_restart below.
1226 if $wireless_restart; then
1227   v wifi
1228 fi
1229
1230 # todo: we should catch errors and still run this if needed
1231 if $network_restart; then
1232   reboot
1233 fi
1234
1235 v exit 0